Wrapping machine



Sept. 4, 1923.

H. DE ESCOBALES WRAPPING momma Filed on. 11, 1918 4 Sheets-Sheet 1 HI IIHH I -....h ..n.r .w .n E

Sept. 4, 1923. 1,466,814 H. DE gscusALzs I wmrrme momma Filed Oct. 11,1918 4 Sheets-Sheet 2 g "mull!" I swuewtoz- 274; ddsz'ofiaies' $1 fi 1 1mag -4 Sept. 4, 1923.

as 3 I II F Sept. 4, 1923. 1,466,814

H. as ESCOBALES WRAPPING MACHINE Filed on. 11, 1918 4 Sheets-Sheet 4 $1,fitk W142 vul wfimampel pend upon the inner wrapping as the de- ?atentedSept. 4, 1923.

HILARIO DE ESCOIBALES, OF STATEN ISLAND, NEW YORK, ASSIGNOR TO H.ESCOBALM,

00., INCL, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

WRAPPING MACHINE.

Application filed October 11, 1918. Serial No. 257,70.

To all whom it may coqwem:

Be it known that HILARIO on ESCOBALES, a citizen of the United States,residing at Staten Island, in the county of Richmond and State of NewYork, have invented new and useful Improvements in Wrapping Machines, ofwhich the following is a specification.

This invention relates to improvements in wrapping machines, pertainingmore particularly to machines adapted to apply a wrapping element to apacket or charge,

The general objects of the invention are to provide a machine of simpleconstruction and formation adapted to apply the wrapper in adhesiveconnection to the packet in a simple and efiicient manner to produce apackage completely enclosed by the wrapper with the wrapping so arrangedas to provide practically a sealed package.

While the machine is operative in the production of packages containingcommodities 'of various types, it is especially adapted for use in theproduction of packages containing tobacco products, as for instance,smoking tobacco. The packaging of commodities ofithis type necessarilypresents inherent difficulties, by reason of the fact that it ispractically essential that the characteristics of the product be maintained as far as possible, especially during the period interveningbetween the pack aging operation and the time when the package is openedfor use. This'period is more or less indefinite and it is therefordesirable thatthe enclosure be such-as will reduce liability ofdeterioration as far as possible.

Packages for this purpose have heretofore been produced but thesegenerally deterioration-preventative, the outer wrapper being more orless of label formdesigned mainly as a protection for thetin foil innerwrapping structure. In providing such outer wrapping or label it is thegeneral practice to maintain one end of the package-the end to beopened-free from label closing, due mainly to the difiiculty of producing a label construc tion which will propackaging purposes, thescarcity of this ma:

terial under the present conditions of wai fare, making it desirable toprovide a package structure in which the foil construction may beomitted without materially afl'ecting the integrity of the package as tothe characteristics of the commodity.

These difiiculties are solved in the production of a package in whichthe deterrent features are more particularly embodied .in the outer orlabel wrapping, by producing such wrapping in a form which will pro videthese results.

The particular form of package is not claimed herein, the presentinvention pertaining to a type of machine or apparatus adaptedv toproduce wrappings of this kind generally, the machine being designed tomeet the inherent problems present in attempting to produce a package ofthis kind in a simple and eflicient' manner and under hi hcapacityconditions.

ther objects reside inthe detailed construction of the diiferentinstrumentalities employed and their general arrangement for mutual andcombined operation in the production of the package.

To these and other ends, the nature of which will be readily understoodas the invention is hereinafter'disclo'sed, said invention consists inthe improved construction and arrangement of parts hereinafter fullydescribed, illustrated in the accompanyin drawings, and moreparticularly pointe out in the appended claims. In the accompanyingdrawings, in which similar reference characters indicate similar partsin each of the views,---

Figure 1 is a view in side elevation, with parts broken away, showingone embod1 ment of invention adapted to practice the present invention.

, Fig. 2 is a top plan view, with parts broken away and omitted forclearness.

Fig. 3 is an end elevation.

Fig. 4 is a detail sectional view showing the upper folding channel.

Fig. 5 is a similar view of the lower folding channel.

Figs. 6 and 7 are diagrammatic sectional views illustrating details ofoperation of the folding devices.

Fig. 6 is a face View of the first plunger.

Fig. 8 is perspective view indicating the manner in wh h the packet andwrapper are brought into assembly relation.

Figs. 9'to 13 are similar views indicating steps in the formation of thepackage.

Fig. 14 is a perspective view of the completed package.

Before describing the mechanism and instrumentalities of the machine indetail, I will briefly describe the form of package produced and thegeneral operation employed in such production, although it will bereadily understood that the invention is not limited in its applicationto the production of the particular package described.

As shown in Fig. 8, the packet or embryo package E is shown as in theform of a wrapped packet, a simple wrapping being applied about thecommodity, the packet being, in the present instance, produced on adifferent machine and being of a form heretofore provided in connectionwith tin foil packages, a form which canbe utilized in the presentinvention but which can be changed to a simple paper wrapping bysubstituting a heavier sheet of paper for the composite tinfoil sheetheretofore employed. This packet is introduced into the machine insuitable mannershown as in the form of an endless belt conveyor-andbrought to a stop in 'alinement with an upper folding channel and inadvance of a plunger.

The wrapping element \V is shown as in the form of a blank, generallyrectangular and having a length greater than'the peripheral length ofthe walls of the package on a longitudinal section of the packet, andhaving a width sufficiently greater than the width of the packet toprovide marginal portions utilized in the productions of wings or Wingformations presently described; the blank also preferably carries aprojecting tongue w although this is not absolutely es sential, and thebody of the wrapper may have a weakened line structure--indicated atwfor a purpose presently described. The blank also carries a pluralityof adhesive stripes "10 extending in the direction. of length of theblankfour stripes extending in parallelism being shown, two ad acent theopposite marginal edges, and two spaced therefrom a distance such as toplace them within the width of the packet;.in other words, the insidestripes are spaced apart a distance less than the width of the packet.to

provide an adhesive connection. between the element and the packet asthe folding operbeing adapted to deliver the blanks individually from astack of blanks to the desired point with respect to the packet and thefirst or upper folding channel, the blank receiving the stripes ofadhesive during travel to such point, the delivered blank extending in avertical plane and positioned relative to the packet approximately asshown in Fig. 8 but out of contact with the packet.

With the packet and blank in these relative positions the plungeradvances into contact with the rear end of the packet and advances thelatter into contact with the wrapping element to produce an assembly ofthese elements; as the adhesive stripes of the positioned blank are onthe rear face of the blank, this action brings the advance end of thepacket-which forms the bottom of. the complete package-into contact withthe inner stripes of adhesive and tends to adhesively connect the packetand wrapper. As the plunger advances this assembly is carried into thefirst-the upper-folding channel which folds blank portions into contactwith the opposite side faces Ofr the packet, and then tucks in themarginal portions which preject at the sides of the advance end, as atwflthe result of these operations being shown in Fig. 9. This adhesivelyconnects the opposite side faces of the packet to the wrapper throughthe inner adhesive stripes, so that the wrapper is firmly secured tothese faces of the packet, while the tucked-in portions 10 areadhesively securedto the side edges of the packet. The relativepositions of wrapper and packet in the assembly are preferably such thatthe upper edge of the wrapper in Fig. 8 will, on the completion of theoperations just described, extend practically to the rear end of theupper face of the (packet, although this maybe varied if desire Beforeleaving the first channel, wings 10 produced during these describedoperations, are folded downwardinto contact with the edge walls of thepacket and in overlying reapeeasm lation to the tucked-in portions w",producing the formation shown in Fig. 10, thus securing these wings tothe packet by the adhesive stripe portions carried by these wings, thestripes of the wings extending longitudinally of the packet, while thoseof portions of 10 extend transverse of such length. As the plungercontinues its advance this assembly formation is carried into avertically-movable carrier a distance sufficient to cause the rear endof the packet to clear the discharge end of the folding channel, thetrailing portion of the blank-which is of greater length than the widthof-the rear end of the packetA-remaining in the folding channel. Thiscompletes the advancing movement of this plunger which then retreats toits initial position.

After the assembly is thus positioned, the vertically movable carrier isshifted downward, withdrawing the trailing end of the The downwardmovement of the carrier brings it opposite the open end of a secondfolding channel, the entrance to this channel being directly in front ofend 'w this movement locating the carrier between the entrance to thechannel and a second plunger, the latter-at this time-being opposite thebottom of the package, the end which formed the advance end of theassembly while traveling through the first channel.

When the carrier reaches this position, the second plunger is advancedinto contact with the bottom of the package and begins to move theassembly format10n of Fig. 11 out' of the carrier in a directionopposite thatof the advancing movement provided by the first plunger,the resultv being that end 10 now becomes the advance end of theassembly. This advancing movement enters the assembly advance end intothe second channel, the first result being to fold the upstandingportion of the blank on to the top of the packet, as at 10, adhesivelysecuring such portion to the wrapper portions which had been previouslysecured to the upper face of the packet, after which the projectingmarginal portions at the ends of face w are tucked in, as at'wfiproducing the lower wings 'w, and upper wings w", as in Fig. 12,wings w being formed by the projecting marginal portions of theupstanding part of the blank in Fig. 11. I

As the plunger continues its advancing movement, wings to are turneddown into contact with tucks 'w? and previously folded ing the packageshown in Fig. 14, folding wings w" lnto overlylng relation to wings wand w, com-q -pleting the folding operations and producof wings 10adhesively securing them to the 1 down-folded wings.

As will be understood from Figs. 8 and 12, the presence of the outerstripes of adhesive provides adhesive connection of the various foldsand tucks, the securing lines extending angularly to each other, so thatthere is presented a barrier in the form of.

an adhesive connection at all points where the marginal edges of theblank are located, closing the folded edge portions of the packageagainst the passage of air or moisture. Owing to the absence oftransverse lines of adhesive, this barier is absent at the point wherethe ends of the wrapper are located,

but this is compensated by the fact that portion 10 is drawn into andheldin close contact with the upper face of the applied wrapper end bythe particular folding opera-- tions, and the length'of'this wrapperportion is such as to practically eliminate liability of difficulty atthis point.

This leaves the major part of portio w free to be torn ofl by graspingtongue w and pulling toward end w -weakened line 10' facilitating thisaction where employed and s nce the end w? is also free from adhesiveconnection-excepting possibly at the opposite edges-'this operationpractically opens the end of the package, the lower wall of the packetat end 'w in Fig; 14, forming a guide or tearing edge which permits theend '10 to be torn off and maintain a neat appearance of the package.

As will be understood the general success of the package in excludingair and moisture is practically dependent upon the presence of the linesof adhesive at the points shown and in the proper folding of the wrapperinto the desired formation. To obtain these results in large capacityoperations forms problems of the machine construction. in that provisionmust be made for striping the wrapper with the adhesive on predeterminedlines in advance of folding operations,

the production of the folds in-the proper.

ter on which the operating'parts are mount- &

ed and which includes the opposite side frame members 20 and 20,suitably braced.

This frame carries the drive shaft 21, driven from any Suitablesource-indicated by the usual fast and loose pulley combination 22.

Referring first to the introductionof the packets, 23 indicates anendless conveyor having the direction of its travel transverse to thedirection of length of the frame. The conveyor extends outward beyondside frame 20 (Fig. 2), a rotatable support, such for instance as apulley 24, being provided within the machine proper between the oppositeside frames and preferably located adjacent to andparallel with frame20". Conveyor 23 may be operated in any desired manner, the form shownin the drawings being by connecting pulley 24 to drive shaft 21, thussynchronizing the movements of the conveyor with those of the remainingportions of the apparatus This connection is had by operativelyconnecting the shaft of pulley 24 with a shaft 25 by means of a verticalshaft 26, these shafts being operatively connected by suitable bevelgear connections, these shafts being supported by the frame or bybrackets in a convenient manner. Shaft 25 extends parallel with driveshaft 21 and is driven therefrom by gear connection 27 28.

The upper or active flight of the conveyor 23 travels in the directionof the arrow in Fig.- 2 and extends past the longitudinal centre line ofthe machine and be- ,neath a suitable strip or bar 29 carried by and theadvance of the flight locates the packets successively in contact withstop 29, the packets being ppsitioned on the conveyor to cause thepacket ends to oppose the folding channel and plunger when in contactwith the stop. As th conveyor is preferably continuously movable, thepackets may be collected or assembled in a row with the advance packetin contact with the stop the conveyor simply slipping by the positionedpackets-advance of the plunger removing the advance packet and retainingthe row in position until the plunger returns to its inactive positionto permit advance of the row to position the succeeding packet incontact with the stop.

The blanks may be introduced in any suit able manner, a simple blankfeed instrumentality being indicatedin the drawings based more or lesson the general construction shown in the companion applicationheretofore referred to. This instrumentality includes a table 32 for astack of blanks, this table being supported by standards 33 and posts34, and provided with suitable guides for retaining the blanks in properalinement. The blanks are fed fromthe bottom of the stack by areciprocating element, indicated generally at 35, and which includesrolls and bands adapted to advance the lowermost blank by frictionalengagement therewith during advancing movements of the element and runfree on the return movement of said element. Element '35 is reciprocatedby a pitman connection with a shaft 36, the latter being geared to ashaft 37 operatively connected with shaft 25- through a vertical shaft38, bevel gears 'being employed to provide the connection between shafts25 and 38 and the latter shaft and shaft 37. If it be desired that shaft37 have a periodic movement, the gear connection between that shaft andshaft 38 may be in the form of the usual mutilated gears.

Shaft 36 carries roll 39 which extends to the plane of the advancingblank, said roll carrying a plurality of bands 40-which may be in theform of endless coil springs these bands extending over an idler roll 41mounted between standards 33 at a suitable distance below roll 39. Shaft37 also carries band-carrying roll 42, the bands of which extend over anidler 43 opposing idler 41 and over an idler 44 located above roll 39,idler 4:4: and roll 39 and the bands mounted thereon forming a throatinto which the blank is delivered into the band-formed flight providedby the oppcsed strands of bands, this flight acting to shift the travelof the blank from a horizontal plane to a vertical plane.

Mounted below roll 39 is an adhesive applying mechanism of suitabletype, this mechanism including a plurality of disk rolls 45 properlyspaced to provide the stripes Q02, the disks having their peripheriesextending into a position of contact with a blank as it is fed downwardby the bandformed flight, the bands being suitably spaced to permit thisadhesive application. This mechanism may be driven in any suitablemanner as by a chain connection with shaft 36.

As will be readily understood each advance movement of element 35introduces a blank into the band-formed flight in which it is carriedpast the adhesive applying rolls and rovidedwith stripes withe flightfeeding t e blank downward with the blank extending flatwise in avertical plane. The parts are so positioned and operated that theadvancing blank passes downward between the plane of the end of a packetand the entrance to the first folding channel with the stripes w facingthe end of the packet. Since it is desired that a particular portlon ofthe blank be opposite the packet end when the blankand packet arebrought into contact, I prefer to provide a suitable stop or support 46for the lower edge of the blank and release the blank from the flightjust prior to reaching the support in order that the blank may readilydrop to posltion, the lower end of the flight being positioned for thepurpose.

Since it is necessary only that the packet and blank be inproperposition when the first plunger begins its advancing movement, it willbe readily understood that the positioning movements of these packageelements can be provided at any time when the plunger is out of the pathof trayel of the elements in reaching their pos1t1ons. With theseelements in position the plunger begins its advancing movement, theparticular formation of plunger and form of operating mechanism thereforillustrated being one embodiment which may be employed.

As indicated in Fig. 2, 47 indicates a guide carried by side frame 20and within which is mounted a slide 48, said slide being formed with arack face adapted to co-operate with a toothed wheel or segment 49mounted on a shaft 50. Said shaft is iven an oscillatory motion fromshaft 25 by suitable connections, the particular embodiment utilized inthe drawings being now described:

Shaft 50 carries a pinion 51 meshing with a gear wheel 52 mounted on ashaft 53 located below -shaft..- 50, said shaft 53 also carrying apinion 54 inmesh with a gear segment 55 mounted loosely on shaft 50 ig.1), Obviously, oscillation of segment 55 will, through connectionsdescribed, operate to oscillate shaft 50 and its toothed wheel orsegment 49 to reciprocate the slide 48 in guide 47.

Mounted on shaft 25 is a face cam 56 the groove of which is adapted toreceive a roller 57 carried on a bar or pitman 58, one end of which isslotted to straddle shaft 25, the opposite end being pivoted to segment55. Rotation of cam. 56 causes pitman 58 to be advanced and retracted,this motion providing the oscillating movements to segment 55.

Extending longitudinally of. the machine is a plunger support or guide59 mounted in. suitable brackets projecting from side frame 20", saidguide supporting'plunger 60, the latter being located in alinement withthe first folding channel, the plunger stem being in the form of a slideadapted to be reciprocated-on guide 59 and being connected to slide 48by ,a plate or other connection 61',

packet through t Plunger 60 may be of any desired conwardly therefrom,and preferably a sheath-' like member 60approximately of invertedU-shape section-overlying the stem, said member constituting a devicefor preventing advance of a row of packets during the period when thelunger is advancing the he first folding channel,

and hence having a length sufiicient to provide a barrier against theadvance of packets on conveyor 23.

The first folding channel 62 is of suitable form, that shown comprisingupper and lower plates 62*, end tuck faces 62 and channels 62- adaptedto turn down wings 10 as the assembly is advanced by the plunger, themovement of the latter first bringing the advance end of the packet intocontact with the striped face of the positioned blank and then carryingthe assembly into the folding channel, the successive action of plates62 and faces 62 producing the formation shown in Fig. 9, this beingfollowed by the action of channels 62 to produce the formation of Fig.10, barrier 60 preventing advance of the succeeding packet during thisoperation.

Operative at the discharge 62 is a vertically reciprocating carrierindicated generally at 63 and presently described, this carrier havingaform to provide an assembly-receiving space which, as the assembly isadvancing, is located in alinement with the channel, so that as plunger60 continues its advancing move-' ment the assembly is advanced into aposition within said space, the trailin portion of the blank remainingin the c annel,

the carrier being formed to receive the blank marginal portions whichproduce wings 10 without" folding. This position-.

ing of the assembly completes the advancing movement of plunger 60 whichthen re end of channelturns to its initial position, freeing therow ofpackets and permitting the succeedingpacket to advance to position forthe formation of the succeeding assembly.

As shown in Fig. 3 the carrier is of a skeleton type comprising a frameformed with upper and lower cross-heads 64 and 65 connected by rods 66mounted to reciprocate vertically in brackets 67 projecting from theside frames 20 and 20" This frame is reciprocated vertically by theaction of a cam 68 mounted on' shaft 25 through suitable connections,one form of which will now be described:

69 designates a bifurcated, lug depending from lower cross head '65 andt which is pivotall secured a lin k*70, the opposite end of whic issecured tothe bifurcated end of a lever 7 p vot y t d on a u tab e rodor support forming a part of the general framework. Pivotally connectedto an inter mediate portion of lever 71 is a rod or pit man 72whichextends upwardly, being provided with a slot 72 through which shaftextends, thus causing the pitman to straddle said shaft. The upper endof the pitman carries a roller adapted to cooperate with cam 68. As thecam rotates, its groove causes lever 71 to be oscillated, suchoscillations causing the carrier frame to be reciprocated in brackets 67the particular arrangement of the frame leaving an open spaceapproximately on the center line of the machine. Adjustably mounted onrods 66 are a pair of plate members 73 extending inwardly from theopposite sides of the frame, said members extending in the samehorizontal plane and forming the bottom of the space within which thestructure of Fig. 10 is introduced, the inwardly projecting length ofsaid members being such as to provide a space therebetween atapproximately the center line of the machine.

The carrier is completed by a positioning element secured to the uppercross head 64:,

said element comprising-a plate 74'earrying a pair of depending bars orplates 7 4 spaced apart a distance to permit the folded configuration ofFig. 10 to extend therebetween-bars 74* serving to retain the foldedcondition of the ,structure, the lower faces of the bars being spacedfrom members 7 3 to permit the unfolded marginal edges of the blank topass without folding action. 7

As will be understood this general arrangement of the carrier is such asto permit of adjustments and use of interchangeable positioning elementsof difi'erent sizes, thus providing for variations in size of the packetand package, the folding channels being of such formation as to permitchange by substitution or adjustment to meet the changed conditionsprovided by variations in size.

The length of the. reciprocating stroke of the carrier is such as tolocate members 73 in substantial alinement with the bottom of the upperfolding channel at the upper extreme of the stroke and in substantialalinement with the bottom of the second folding channel-presentlydescribed--at the lower extreme of the stroke, the cam groove'beingarranged to provide the proper extent of movement at the proper times,the general adjustment of the carrier permitting an accurate location ofmembers at the proper points. l

The downward movement of the carrier not only serves to shiftthe'assembly into a lower plane but also provides one of the foldingsteps, inthat such movement is relative tothe discharge end of the upperfolding channel. Hence when the carrier begins its downward travel thetrailing portion of he blank shown in Fig. 10 is withdrawn below theupper channel, thus locating both channels on the same side of thecarrier.

Section 75 is preferably substantially simit lar in construction toupper folding channel 62, having the tuck-in faces 7 5 and foldingchannels 7 5" being operative to produce substantially the samesuccessive stage actions as the upper channel, but being active on theunfolded end of the assembly-the rear ,portion of the latterduringtravel through channel 62-so that when the assembly is advanced from itsposition in the carrier-toward the left in Fig. 1similar folding actionon the upstanding portion of the wrapper shown in Fig. 11 will be had aswas given the wrapper in passing through channel 62, succesivelyproducing the formations shown inFigs. 12 and 13. As will be seen thisarran ement causes the advance end to be transferred from one end of thepacket to the other without reversing the assembly.

The second section 76 extends in alinement with the first section but isspaced therefrom to provide a space in which the lower end of the blankW may extend when introduced into the machine, thus permitting thestroke of the carrier to be reduced to a minimum and yet permit the useof the relatively long wrapper blank. Section 76 is designed to providethe final folding-the upturning of wing w -and is therefore providedwith suitable folding edges 7 6 which provide this result. e

The advancing movements of the assem bly from the carrier are providedby a plunger 77 normally located on the opposite side of the carrierfrom the folding channels, said plunger 77 being of any desiredconstruction, that shown being substantially similar to plunger 60 withthe possible exception that barrier 60 may be omitted.

The mechanism for operating plunger 77 is substantially similar to thatfor plunger 60, a separate cam 7 8 bein utilized and the guide beingsecured to si e frame 20. The

. length of throw of plunger 77 may be similar to or slightly less thanthat of plunger 60, it being understood that it is necessary only thatthe advancing movement of plunger 77be sufiicient to carry the assemblybeyond the folding edges 76, further movement of the assembly beingprovided by the succeeding assembly delivered by the next advance of theplunger 77. 'The length of section 76 is therefore not dependent uponthe length of throw of plunger 77 and may therefore be of any desiredlength, thus providing an arrangement in which the complate assemblyshown in Fig. 14: may beheld in proper position and formation until theadhesive has properly set, the assembly being dischar ed from thedischarge end of section 76 into a suitable receptacle or a conveyor notshown.

It will be understood, of course, that the various operations are sotimed as to prevent interference of mechanisms and produce thesuccessive operations in proper manner. In this connection it will beunderstood that the requirement of complete folding action in advance ofthe actual setting of the adhesive is one of the factors controlling thetime and also the general arrangement of the machine, this being one ofthe problems inherent in the production of an apparatus for the presentpurpose,- it being understood that the inherent difficulties provide atime factor of material importance.

In this connection, the formation of the second folding channel in twosections is of importance in that it permits the wrapper to be properlypositioned without requiringan excessivelength of stroke of carrier 63.In addition, the cam timing may be so arranged as to reduce, theoperating time of travel of the assembly to a minimum, Figs. 6 and 7indicating one way in which this can be provided in that the advancingmovements of the plungers can be timed so that the advance end of theassembly in the second folding channel will miss the lower end of theblank being drawn by the advance movement of the packet in the upperfolding channel, as shown in Fig. 6. By comparing Figs. 6 and 7, anoperation under maximum speed conditions is shown, Fig. 7 indicating theposition of parts at the time when thev packet is brought into contactwith the blank by the advance of plunger 60, plunger 77 having advancedthe assembly from the carrier into the second folding channel, while thepreviously completed package is located in the second section of: thelatterfolding channel.

In Fig. 6 the plungers are shown as further advanced. As will be seenby-comparing these views, carrier 63 is shifted from its lower to its upper position during the time between tie passage of the assembly and thehead of plunger 77 from the carrier and the advance of the assembly inthe upper channel to a point where the advance end of such upperassembly is approaching the dischargeend of the upper channel. Thisshifting in position of the carrier within the small space of time ispermitted by'reason of the rela tively short stroke of the carrier andthe presence of -the space between plate members 73, this spacepermitting the assembly supporting surfacemembers 73to move upwardwithout being affected by the presence of the stem of plunger 77 whichis advancing at this time, Since the reciprocating move ments ofthe-plungers are controlled by cam structures. which cross the paths ofthese plungers-the wrapper blank with respect 8 with plunger 77 Anotherfactor in the ability to provide 'to plungers 60 and the carrier inconnection the complete operation of Wrapping before setting of theadhesive is the fact that the general mannerz of wrapping and the suc-vcessive operations are such as will permit of the use of relativelyshort folding channels', thus decreasing the throw-of the plungers, sothat the complete folding action can be had in a comparatively shortspace of time, with the'time of action on succeeding assemblies reducedto a minimum, thus add tlonally providing for highcapacity conditions. i

As will be understood, a variation in the form of the package wrappingcan ibe readily provided by reversing the direction of channels andfolding edges 76. With this change wings 20 will be folded intooverlying relation to wings w, wings w then being folded on to foldedwings to and locating wings to as the overlying wlngs of the wrappinginstead of being in underlying relation to wings w I prefer, however, toemploy the arrangement shown.

While I have'herein shown a preferred embodiment of the invention,- itwill be readily understood that various changes and modificationstherein may be founddesirable or essential in meeting the various exigencies of use, andI desire to be understood as reserving the'right tomakeany and all such changes or modifications as may be found desirableor necessary in so far as the same may fall within the spirit "and scopeof the invention as expressed in the accompanying claims when broadlyconstrued.

aving thus described my invention, what I claim as new is:

1. In wrapping machines, wrapper-folding instrumentalities operative onan assembly of packet and wrapping blank to apply the blank tosubstantially the entire area of the acket by dvancing'movements of theassembly, said instrumentalities including upper and lower foldingchannels extending in parallelism, each channel operative to applypredetermined portions of the 8 blank and both operative to apply theblank to substantially the entire area of the packet, plunger means forand operative to advance the assembly within the several channels, and avertically reciprocating carrier operative in the transfer of theassembly from the upper to the lower channel, said upper channel beingoperative to provide the assembly with marginal portions of the blankprojecting beyond the packet side faces in the plane of the blank, saidcarrier having means to preserve the relative positions of thesemarginal portions during transfer of the assembl In wrapping machines,wrapper-foldinginstrumentalities operative on an assembly of packet andwrapping blank to apply the blank to substantially the entire area ofthe packet by advancing movements of the assembly, saidinstrumentalities including upper and lower folding channels extendingin parallelism, plunger means for and operative to advance the assemblywithin the several channels, and a vertically reciprocating carrieroperative in the transfer of the assembly from the upper to the lowerchannel, said upper channel being operative to provide the assembly withmarginal portions of the blank projecting beyond the packet side facesin the plane of the blank, said carrier having an assembly support, anda positioning device relatively positioned to preserve the positions ofthese marginal portions during transfer of the assembly.

3. In wrapping machines, wrapper-fold ing instrumentalities operative onan assembly of packet and wrapping blank to apply the blank to theseveral faces of the packet by advancing movements of the assembly, saidinstrumentalities including upper and lower folding channels extending1n parallelism, plunger means for and operative to advance the assemblywithin the sev eral channels, and a vertically reciprocating carrieroperative in the transfer of the assembly from the upper to the lowerchannel, said carrier being positionable in the path of movement of thelower channel plunger.

to permit discharge of the assembly from the carrier into the lowerchannel, and also having means to permit shifting of the carrier fromsuch position when the plunger is out of its inactive position.

4. In wrapping machine s, Wrapperfold-V ing instrumentalities operativeon an assembly of packet and wrapping blank to apply the blank to theseveral faces of the packet by advancing movements of the assembly, saidinstrmentalities includlng u l per and lower folding channels extending1n parallelism, plunger means for and operative to advance the assemblywithin the several channels, and a vertically reciprocating carrieroperative in the. transfer \of the assembly from the upper to the lowercham nel,'said carrier being positionable in the path of movement of thelower channel plunger to permit discharge of the assembly from thecarrier into the lower channel,

said carrier including supporting members for the assembly beingcarried, said members being spaced apart in the plane of the plungerstem, whereby said carrier may be shifted from such position when theplunger has been moved out of its inactive position.

5. In wrapping machines, wrapper-folding instrumentalities operative onan assembly of packet and wrapping blank to apply the blank to theseveral faces of the packet by advancing movements of the assembly,

of movement of the lower channel plunger to permit discharge of theassembly from the carrier into the lower channel, said carrier includinga reciprocatin frame, members carried bysaid'frame for supporting theassembly, said members being spaced apart in the plane of the plungerstem, and a positioning device carried by said frame above said membersl to mintain the position of the assembly within the carrier.

6. In wrapping machines,- wrapper-folding instrumentalities operative onan assembly of packet and wrapping blank to apply the blank to theseveral faces of the packet by advancing movements of the assembly, saidinstrumentalities including upper and lower folding channels extendingin parallelism, plunger means for and operative to advance the assemblywithin the several channels, and-a vertically reciprocating'carrieroperative in the transfer of the assembly from the upper to the lowerchannel, said carrier being positionable in the path of movement of thelower channel lunger to permit discharge of the assemb y from thecarrier into the lower channel, said car rier including a reciprocatingframe, members carried by said frame for supporting the assembly, saidmembers being spaced apart in the plane of'the plunger stem, and apositioning device carried by said frame above said members to maintainthe position of the assembly within the carrier, said device comprisinga plate and elements depending therefrom and spaced apart to permit freeentry of the assembly therebetween while maintaining the folds providedby the upper channel.

'7. n wrapping machines adapted to enclose a packet within anadhesively-prepared thanthe peripheral length of the packet on I asection thereof, and wherein opposite ends of the blank extend inoverlying relation on the same face ofv the packet with marginalportions of the blank completing the acket enclosure, wrappinginstrumentallties for folding the blank into its enclosing position,said instrumentalities including 'a pair of parallel folding channelsthrough which the assembly is successively passed, and a reciprocatingcarrier operative in the transfer of the assembly from one channel tothe other, said channels including means operative to fold marginalportions into wings foldable into overlying relation on packet faces atthe sides of said channels, the wing formations at opposite ends of theblank being produced and folded in different channels. i

8. In wrapping machines adapted to onclose a packet within anadhesively-prepared wrapping blank having a width greater than theperipheral length of the packet on a section thereof, and whereinopposite ends of the blank extend in overlying relation on the same faceof the packet with marginal ortions of the blank completing the pac etenclosure, wrapping instrumentalities for folding the blank into itsenclosing position, said instrumentalities including a pair of parallelfolding channels through which the assembly is successively passed, anda reciprocating carrier operative in the transfer of the assembly fromone channel to the other, said channels being operative to fold marginalportions into Wings foldable into overlying relation on packet faces,the wing formaincluding a pair of tions of one and of the blank beingfolded into contact with the packet in advance of the production of thewing at the other end of the blank.

9. In wrapping machines adapted to enclose a packet within anadhesively-prepared wrapping blank having a width greater than theperipheral length of the packet on a section thereof, and whereinopposite ends of the blank extend in overlying relation on the same faceof the packet with marginal portions of the blank completing the packetenclosure, wra ping instrumentalities for folding the blan into itsenclosing position, said instrumentalities Earallel folding channelsthrough which t e assembly is successively s passed, and a reciprocatingcarrier operative in the transfer of the assembly from one channel tothe other, said channe being operative to fold marginal portions intowings foldable into over ying relation on packet faces, the wingformation of one end of the blank being folded into contact with thepacket in a dvance of assembly den liveryto' the second channel- 10. Inwrapping machines adapted to en- 66 close a packet within anadhesively-prepared wrapping blank having a width greater than theperipheral length of the portions into wings foldable into overlyingrelation on packet faces, the wing formations of one end of the blankbeing folded into contact with the packet in advance, of the productionof the wing at the other end of the blank, said latter wing being foldedinto overlying relation to the ositioned wing formation in advance ofolding of the wing provided by the intermediate marginal portion of theblank. 7

11. In wrapping machines, a wrapping instrumentality for applying awrapper to a packet during advancing movements of an assembly of theseelements, said instrumentality including folding channels operativesuccessively on the assembly, a plunger for and operative within eachchannel, and

independent means for operating said plungers, said means including aslide extendin parallel with a plunger, connectionsetween the slide andplunger, a drive shaft located between the plungers, cams on said driveshaft, each of the cams controlling the movements of a slide, andoperating connections between a cam and the slide controlled thereby.

12. In a wrapping machine, a plurality of channels,means for conveyingan assembled package and wrapper through the first channel, a plungerfor conveying the as sembly through the second channel, a reciprocatingcarrier adapted to receive the assembly from the first channel and'shiftit into alinement with said plunger and second channel, means forreciprocating said carrier adapted to return it from operative positionadj acent to the second carrier to operative position adjacent the firstcarrier prior to the retraction of saidlunger 1nto position to engage anassemb y presented by the carrier, and means operative on the assemblybetween the entrance to the first channel and the exit from the secondchannel, for folding the wrapper fiatwise against all the faces of thepackage.

13. In a wrapping machine, an upper horizontal channel av1ng an open endacross which a vertical wrapper may be lo- ,cated, a lower horizontalchannel beneath veying the assembly through the lower channel, and meansoperative between the entrance to the upper channel and the exit fromthe lower channel, for folding the wrapper flatwise against all thefaces of the packa e.

14. n a wrapping machine, wrapper delivery mechanism operative toposition an adhesively prepared wrapper blank in the path of a packet tobe wrapped, means for conveying the assembled packet and wrapper alongthe predetermined path, and statlonar elements adjacent said path forfolding the wrapper about four consecutive faces of the packet, foldingprojecting marginal wrapper portions against the remaining packet facesto produce wing flaps, and folding said wing flaps flatwise agamst thesaid remaining faces of the packet.

15. In a wrapping machine, wrapper delivery mechanism operative toposition an adhesively prepared wrapper blank in the path of a packet tobe wrapped, a plurality of channels, means for conveying the assembledpackage and wrapper through the first channel, means for conveying theassembl from the first channel to the second channe means for conveyingthe assembly through the second channel, and means forming a part of thesaid channels operative on the assembly between the entrance to thefirst channel and the exit from the second channel for folding thewrapper flatwise against all the faces of the package.

16. In a wrapping machine, wrapper delivery mechanism operative topos1tion an adhesively prepared wrapper blank in the path ofv a packetto be wrapped, means for conveying the assembled packet and wrapperthrough the first channel, means for conveying the assembly from thefirst channel to the second channel, means for conveying the assemblythrough the second channel, and stationary means operative on theassembly between the entrance to the first channel and the exit from thesecond channel for foldin the wrapper flatwise against all the faces 0the package. v

17. In a wrapping machine, wrapper delivery mechanism' operative tosition an adhm'rvely prepared wrapper, b ank in the path of a packet tobe wrapped, a plurality of parallel channels, means for conveyingpath ofa acket to be Wrapped, a plurality of paralle superposed channels, meansfor conveying the assembled packet and wrapper through the firstchannel, means for conveying the assembly from the first channel to thesecond channel, means for conveying the assembly through the secondchanne, and means operative on the assembly between the entrance to thefirstchannel and the exit from the second channel for folding thewrapper fiatwise against all the faces of the packet.

19. In a wrapping machine, wrapper delivery mechanism operative toposition an adhesively prepared wrapper blank in the path of a packet tobe wrapped, a plurality of parallel channels, means for conveying theassembled packet and wrapper through the first channel in one direction,means for conveying the assembly from the first channel to the secondchannel,-means for conveying the assembly in the opposite directionthrough the second channel, and means operative on the assembly betweenthe entrance of the first channel and the exit from the second channelfor folding the wrapper flatwise against all the faces of the packa 20.In a wrapping machine, wrapper elivery mechanism operative to pos1tionan adhesively prepared wrapper blank in the path of the packet to bewrapped, a plural-, ity of parallel channels, plunger means forconveying the assembled package and wrapper through the first channel inone direction, means for conveying the assembly from the first chaniielto the second channel, plunger means for conveying the assembly in theopposite direction through the second channel, and means operative onthe assembly between the entrance to the first channel and the exit fromthe second channel for folding the wrapper flatwise against all thefaces of the package.

'21. In a wrapping machine, wrapper delivery mechanism operative topos1tion an adhesively prepared wrapper blank in the path of the packetto be wrapped,-a plurality of channels, means for conveyin the assembledpacket and wrapper throng the 1,466,814; Egg

first channel, means for conveying the asbetween the entrance to thefirst channel and. sembly through the second channel, a reeipthe exitfrom the second channel for foldrocated carrier adapted to receive theasing the wrapper fiatwise against all the faces sembly from the firstchannel and receive it of the package.

a into operative relation with a means for In testimony whereof I havehereunto set conveying the assembly to the second chanmy hand. nel, andmeans operative on the assembly HILARIU an ESGQBALES.

